Sign in Alert - Accessibility review

[caw310]

Issue Description

We need to conduct a full accessibility review of the Sign in Alert component. The component can be viewed in Storybook here: [insert Chromatic link here]

Tasks

• [ ] Full accessibility review of the component is completed
• [ ] Add descriptions of any issues found to this ticket
  • [ ] If any problems are found, add screen recordings and/or screenshots to comments on this ticket that show the problem.
• [ ] If necessary, discuss any accessibility issues found with the engineer who developed the component
• [ ] Re-review any fixes the developer makes to the component

Acceptance Criteria

• [ ] Component has been reviewed for accessibility issues
• [ ] Any accessibility issues have been addressed

[caw310]

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